Have you ever heard of a naiad? No, I'm not talking about some mythological character. A naiad is an insect that can live for years, though some types only live for months. They live under the water. They eat small creatures, other insects, are pretty good at catching their prey. Great, great swimmers!
But a naiad is only the nymph (adolescent) stage of a particular insect.
After all that time swimming, the naiad crawls out of the water, sheds its skin, and boom! It's a dragonfly!!!
Yes, a dragonfly! You read that right. After potentially years of swimming, the dragonfly crawls out flies.
One day it has gills (according to the book I was reading) and the next day it is breathing air.
How cool is that!
Talk about an example of a great change!
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